157857928572254 has 8 divisors (see below), whose sum is σ = 236810842204608. Its totient is φ = 78920981170720.

The previous prime is 157857928572163. The next prime is 157857928572271. The reversal of 157857928572254 is 452275829758751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×157857928572254² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3991532987 + ... + 3991572534.

It is an arithmetic number, because the mean of its divisors is an integer number (29601355275576).

Almost surely, 2^{157857928572254} is an apocalyptic number.

157857928572254 is a deficient number, since it is larger than the sum of its proper divisors (78952913632354).

157857928572254 is an equidigital number, since it uses as much as digits as its factorization.

157857928572254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983115410.

The product of its digits is 3951360000, while the sum is 77.

The spelling of 157857928572254 in words is "one hundred fifty-seven trillion, eight hundred fifty-seven billion, nine hundred twenty-eight million, five hundred seventy-two thousand, two hundred fifty-four".